Hello, I cannot reproduce it on sid with my settings:
cat <<EOF >>/etc/bind/named.conf.options logging { channel querylog{ file "/var/log/bind9-query.log"; severity debug 10; print-category yes; print-time yes; print-severity yes; }; category queries { querylog;}; }; EOF in options section: querylog yes; install -D --group=adm --owner=bind --mode=0640 /dev/null /var/log/bind9-query.log service bind9 restart service bindgraph restart a2enmod cgi service apache2 restart serve http://$FQDN/cgi-bin/bindgraph.cgi Best Regards, Juri Grabowski